Brian Otieno is a notable Kenyan freelance photojournalist and documentary photographer. Otieno was raised in Kibera and exhibits a passion for capturing the everyday realities of ordinary life through his photo project called KiberaStories. Over the years, Otieno has exhibited his project KiberaStories in Paris, Kampala, Lisbon, and New York, among other places.

Otieno's work has been featured in various international publications and development organizations, including The New York Times, Al Jazeera, BBC, Der Spiegel, and Roads & Kingdoms. He frequently works for Agence France-Presse and is also a contributor to Everyday Africa, a collective of photographers sharing images from across the continent to break down stereotypes and cliches.

The skilled photojournalist participated in the 16th International Dialogue on Population and Sustainable Development, providing his collection of photographs "Women of Kibera" taken as part of the EU-funded #RightByHer campaign, which aims to empower women across Africa.

Otieno's KiberaStories won the inaugural East African Photography Award in the Ballerina Elsie photography category. He also won the Feature Stories category at the Kenya Press Photo Awards in 2017 and the Daily Life and Portraiture categories at the Kenya Photography Awards in 2018.

Education-wise, Otieno studied for a Diploma in Journalism, Radio, and Television Broadcasting Technology at Multimedia University of Kenya. He also studied Kenya Certificate of Secondary Education at Upper Hill School and Photojournalism, Photojournalism, and Visual Storytelling at World Press Photo East Africa Masterclass.